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Amazon Web Services Solutions Library

Serverless Media Solution

What does this Amazon Web Services Solution do?

Amazon Web Services provides a general media solution in serverless architecture.

As a demo, the solution leverages Amazon Lambda to implement a transcoding feature based on FFmpeg. The demo enables you easily complete video transcoding tasks such as converting file format, converting video encoding, etc without worrying about server configuration. The demo also comes with a friendly user interface that allows you to set up and start transcoding tasks.

Based on the architecture or sample code of this solution, you can quickly build your own serverless media solution in Amazon Web Services Cloud.

Amazon Web Services Solution Overview

The diagram below presents the architecture of this solution. You can reach out to Sales to retrieve solution's implementation guide and accompanying Amazon CloudFormation template.

Architecture of Serverless Image Handler

Architecture Description

With the solution offers a general severless architecture.

In order to provide an use case of this architecture, the solution includes a demo of transcoding feature which is implemented based on Amazon Lambda and FFmpeg. The solution allows users set parameters and start transcoding tasks through Web UI or command lines.

When a user triggers a trancoding task from the UI, the front-end sends a request to Amazon API Gateway which then invokes a Lambda function. The Lambda function stores the record of the request into the DynamoDB. The Lambda function takes the parameters in the request as the input to start a transcoding workflow in Amazon Step Functions. The workflow segments the original video and multiple Lambda functions transcode the segments using FFmpeg in parallel.

After all the transcoding works finished, another Lambda function uses FFmpeg to merge all the segmented videos into one video and put it in Amazon S3.

Amazon Lambda: Run core control logic and transcoding logic
Amazon API Gateway: Process front-end requests and invoke Lambda function
Amazon S3: Store the original video uploaded by the user and store the code of front-end Web UI
Amazon Step Functions: Maintain a video transcoding workflow
Amazon EFS: Store the result of segmented transcoding video
Amazon CloudFront: Improve the speed for accessing the front-end pages
Amazon DynamoDB: Store transcoding parameters and other configuration parameters
Amazon CloudWatch: Log Lambda operation records

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Serverless Media Solution

Version 1.0.0
Last updated: 04/2021
Author: Amazon Web Services

Estimated deployment time: 10 min

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Features

Visualization

The solution offers a web-based user interface(UI) which is hosted on Amazon S3 and delivered via Amazon CloudFront. You can easily use the intuitive UI to manage video transcoding tasks and update parameters.

Command Line Interface

The solution allows you to trigger the serverless video transcoding tasks via command lines.

100% Serverless Architecture

The solution is implemented based on Amazon Lambda. Amazon Lambda automatically manages the computing resources required. Lambda provides with a pay-per-use pricing model.